Fixing the Joomla 2.5 javascript error that occurs when using the Module Manager

In this tutorial we will show you how to fix the Joomla 2.5 javascript error that occurs when using the Module Manager. This may occur after performing an upgrade, and the error will look similar to this:

"A script on this page may be busy, or it may have stopped responding. You can stop the script now, or you can continue to see if the script will complete."

This error typically occurs when you have a large number of menus, and the javascript times out while processing them. This can be solved by replacing the validate.js file with a corrected version.

Congratulaions, now you know how to fix the issue with Joomla 2.5 that causes javascript errors when using the Module Manager! We would like to thank the Official Joomla Support forum for providing this solution.

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I'm sorry to hear that you're having problems with the validate.js file. This is an issue with Joomla 2.5 for which we unfortunately cannot fix directly for you. The developers who work with Joomla would need to provide a fix as John Paul indicates above. The best link I've found detailing their efforts to fix the issue can be found here. This fix addresses module manager issues. As Joomla is above version 3.1, you may find that updating to the latest code might be the only way permanently fix the problem. If you do update, make sure that you backup your website files and database.